M365 Service Health Notification

Exchange Online service alert Incident information Title: First time users can't access Outlook on the web ID: EX223057 Status Service Restored Details Title: First time users can't access Outlook on the web User Impact: Users may have experienced timeouts or errors when attempting to access Outlook on the web for the first time. More info: Impact was limited to users signing in to Outlook on the web for the first time. Users who had previously signed in weren't affected. Final status: We've confirmed via telemetry that rolling back and halting the deployments have mitigated impact. Scope of impact: Any user hosted on the affected infrastructure signing into Outlook on the web for the first time may have been impacted. Start time: Tuesday, September 29, 2020, at 2:07 PM UTC End time: Tuesday, September 29, 2020, at 6:39 PM UTC Root cause: A service update deployment had caused processing inefficiencies within the deploying environments, resulting in impact. Next steps: - We're reviewing our service update procedures to identify similar deployment and availability issues during our development and testing cycles. This is the final update for the event. Thank you, The Microsoft team To customize what's included in this email, who gets it, or to unsubscribe, set your Service health preferences. If you are receiving this email because your Admin added you as a recipient, please contact your Admin to unsubscribe. Microsoft respects your privacy. Review our online Privacy Statement. Microsoft Corporation One Microsoft Way Redmond, WA USA 98052